incidentals
noun [ plural ] uk/ɪn.sɪˈden.təlz/ us/ɪn.sɪˈden.t̬əlz/
附带开支;杂费
details or costs that relate to something but are less important or smaller than the main ones
Take some foreign currency to cover incidentals like the taxi fare to your hotel. 带些外币用来支付杂费，比如到旅馆的打的费。